The card offers a minimum continuous write speed of up to 140 MB per second (MB/s). The card’s read speed goes up to 160 MB/s with its Video Performance Guarantee (VPG-65) certification.

“SanDisk has been at the forefront with storage solutions that enable the broader adoption of new video capture technologies. We always design our SanDisk Extreme Pro cards with professional photographers and videographers in mind,” Susan Park, director, SanDisk mobile and imaging worldwide retail product marketing, said in a press release. “Cinema-quality 4K video capture demands tremendous performance and capacity, which is exactly what we have delivered with the new 256GB SanDisk Extreme Pro CompactFlash card.”